| Patents for H04R 1 - Details of transducers (42,173) |
|---|
| 07/24/2001 | US6266426 Visual display means incorporating loudspeakers |
| 07/24/2001 | CA2291113C An electrical contact free microphone attachment for a flip-type radio phone |
| 07/19/2001 | WO2001052599A1 Acoustic chamber integrated with vehicle door___________________ |
| 07/19/2001 | WO2001052592A2 Headphones |
| 07/19/2001 | WO2001052400A1 Mechanical-to-acoustical transformer and multi-media flat film speaker |
| 07/18/2001 | EP1116413A2 Apparatus including an electroacoustic transducer having terminal contacts which extend in the direction of the transducer axis and including a printed circuit board having mating contacts |
| 07/18/2001 | CN2439713Y Stand for acoustic equipment |
| 07/17/2001 | US6263084 Power amplifier and loudspeaker frame integration |
| 07/17/2001 | US6263083 Directional tone color loudspeaker |
| 07/17/2001 | US6263079 Telephone with means for enhancing the low-frequency response |
| 07/17/2001 | US6261224 Piezoelectric film transducer for cochlear prosthetic |
| 07/12/2001 | WO2001050817A1 Accumulator-powered mobile amplified enclosures |
| 07/12/2001 | WO2001050813A2 Universal hearing-aid volute holder with conical extension but without auditory duct, and geometrical method of making the same |
| 07/12/2001 | WO2001050809A1 Headphone device |
| 07/12/2001 | WO2000078090A3 Bending wave acoustic device |
| 07/12/2001 | DE19963217A1 Differenzdruckmikrofon Differential pressure microphone |
| 07/12/2001 | DE10000666A1 Außenrohrübertragungsfunktionsgemäßer Kopfhörer Outer tube transfer function Proper Headphones |
| 07/11/2001 | EP1114412A1 Improvements relating to beamformers |
| 07/11/2001 | EP1113916A1 Rotary acoustic horn with sleeve |
| 07/11/2001 | EP0870394A4 Method and apparatus for transmitting coded audio signals through a transmission channel with limited bandwidth |
| 07/11/2001 | CN1303576A Speaker apparatus and television set |
| 07/11/2001 | CN1303226A Earphone |
| 07/11/2001 | CN1303225A Earphone hub supporting device |
| 07/11/2001 | CN1303209A Handset preventing electromagnetic radiation for hand-held telephone |
| 07/11/2001 | CN1303187A Portable voice frequency listening equipment |
| 07/11/2001 | CN1068497C Loadspeaker system |
| 07/10/2001 | US6259798 Passive radiator cooled electronics/heat sink housing for a powered speaker |
| 07/10/2001 | US6259797 Metal base design for a speaker |
| 07/10/2001 | US6259796 Earpiece without impulse and high frequency noise |
| 07/10/2001 | US6257903 Self-docking electrical connector |
| 07/10/2001 | US6257365 Cone reflector/coupler speaker system and method |
| 07/05/2001 | WO2001049066A2 Headphones with integrated microphones |
| 07/05/2001 | WO2001048883A2 An audio cord retractor |
| 07/05/2001 | WO2001048421A1 Light fitting |
| 07/05/2001 | US20010006725 Process and apparatus for producing conductive damper for speaker |
| 07/05/2001 | DE19962837A1 Beleuchtungskörper Lighting |
| 07/05/2001 | DE19938171C2 Verfahren zur Verarbeitung von akustischen Signalen und Kommunikationsanlage für Insassen in einem Fahrzeug A method of processing acoustic signals, and communication system for occupant in a vehicle |
| 07/05/2001 | DE10000048A1 Electroacoustic converter e.g. loudspeaker, has deflection element which prevents pressure change in preselected space segment |
| 07/04/2001 | EP1113701A2 Differential-pressure microphone |
| 07/04/2001 | EP1113700A2 Speaker system |
| 07/04/2001 | EP1113699A2 Instrument clamp |
| 07/04/2001 | EP1113582A2 Wireless microphone apparatus and transmitter device for wireless microphone |
| 07/04/2001 | EP0852891B1 Mounting arrangement for a noise cancelling microphone |
| 07/04/2001 | EP0682853B1 Loudspeaker system |
| 07/04/2001 | CN1302525A Disposable sleeve assembly for sound control device and container thereof |
| 07/04/2001 | CN1302504A Housing having a loudspeaker system |
| 07/04/2001 | CN1302057A Pressure gradient microphone |
| 07/04/2001 | CN1301999A External connectino adaptor and electronic device |
| 07/03/2001 | US6256386 Pivotable earpiece assembly |
| 07/03/2001 | US6253763 Mouthpiece and speaker assemblies for underwater speech |
| 06/28/2001 | WO2001046714A1 Ultrasonic horn assembly |
| 06/28/2001 | WO2000079833A3 Distributed mode acoustic device |
| 06/28/2001 | WO2000069215A3 Bone conduction voice transmission apparatus and system |
| 06/28/2001 | WO2000067522A3 Reflexion-type loudspeaker system |
| 06/28/2001 | US20010005422 Speaker system |
| 06/28/2001 | US20010005418 Differential-pressure microphone |
| 06/28/2001 | US20010005416 Signal processing for audio device |
| 06/28/2001 | US20010005108 Inertial/audio unit and construction |
| 06/28/2001 | US20010004925 Compact disk labeling systems |
| 06/28/2001 | CA2393607A1 Ultrasonic horn assembly |
| 06/27/2001 | EP1111960A2 Digital hearing device, method and system |
| 06/27/2001 | EP1110425A1 Acoustical speaker housing and methods of installation |
| 06/27/2001 | EP1110202A1 Electro-acoustic musical instrument |
| 06/27/2001 | EP0872156B1 Stereo loudspeaker system |
| 06/27/2001 | EP0715801A4 Airborne sensor for listening to acoustic signals |
| 06/27/2001 | CN1300968A Compact music replayer and music replaying system including the same |
| 06/26/2001 | US6252970 Headphone |
| 06/21/2001 | WO2001045456A2 A loudspeaker having a dual chamber acoustical enclosure with two external vents and one internal vent |
| 06/21/2001 | WO2001045213A1 An electrical contact device for interconnecting electrical components |
| 06/21/2001 | WO2000076270A3 High definition transducer |
| 06/21/2001 | US20010004397 Body-wearable type music reproducing apparatus and music reproducing system which comprises such music eproducing appaartus |
| 06/21/2001 | DE19955867A1 Flachlautsprecheranordnung für Tieftonwiedergabe Flat speaker arrangement for bass reproduction |
| 06/21/2001 | DE10004408C1 Microphone module, e.g. for hands-free car telephone or other radio transceiver, has screening shell enclosing microphone capsule and pre-amplifier components |
| 06/20/2001 | EP1108345A1 Loudspeakers comprising a resonant panel-form member |
| 06/20/2001 | EP0738454B1 Apparatus comprising a baffle and a loudspeaker, and loudspeaker for use in the apparatus |
| 06/19/2001 | US6247551 Panel-form loudspeaker |
| 06/14/2001 | WO2001043491A1 Earphone winding device for cellular phone and the stationary battery charger with the winding device built-in |
| 06/14/2001 | WO2001043489A2 Miniature microphone |
| 06/14/2001 | US20010003542 Earphone-type music reproducing device and music reproducing system using the device |
| 06/14/2001 | CA2292160A1 Sound belt |
| 06/14/2001 | CA2292147A1 Pyramidal acoustic cavity for small cabinet |
| 06/13/2001 | EP1107641A2 Audio transducers |
| 06/13/2001 | EP1107639A2 Speaker apparatus with means for producing complex low frequency waveform |
| 06/13/2001 | EP1106439A2 Automobile pillar electroacoustical transducing |
| 06/13/2001 | DE10043913A1 Speaker used in helmet, has frame with opening-like film supporting section, for holding piezo film speaker |
| 06/13/2001 | CN2434842Y Novel microphone |
| 06/13/2001 | CN1299576A Panel-form loudspeaker |
| 06/13/2001 | CN1299550A Optical switch for headset |
| 06/13/2001 | CN1299227A Sound enclosure made of composite material |
| 06/12/2001 | US6246763 Mobile telephone casing |
| 06/07/2001 | WO2001041500A2 Loudspeaker device |
| 06/07/2001 | WO2001041498A2 Bending wave loudspeakers |
| 06/07/2001 | WO2001041496A2 Vibration actuator having an elastic member between a suspension plate and a magnetic circuit device |
| 06/07/2001 | WO2001039569A2 Method for establishing a detachable mechanical and/or electrical connection |
| 06/07/2001 | US20010002865 Audio transducers |
| 06/07/2001 | DE19956754A1 Lautsprecher und Fahrzeugbaugruppe Speakers and vehicle group |
| 06/07/2001 | CA2659220A1 Method for establishing a detachable mechanical and/or electrical connection |
| 06/07/2001 | CA2439445A1 Method for establishing a detachable mechanical and/or electrical connection |
| 06/06/2001 | EP1104646A2 Electric/acoustic transducer module, intra-aural hearing-aid and method for producing an intra-aural hearing aid |
| 06/06/2001 | EP0934475B1 Device for the damping of vibrations between objects |